Zeamster

Payment Processing APIszeamster.com

Company typePrivate
Founded2012
HeadquartersNovi, United States
Headcount11–50
GTM typeB2B
OfferingSoftware

Zeamster firmographics

Firmographics

Name: Zeamster
Legal name: Zeamster
Website: https://zeamster.com
Company type: Private
Founded year: 2012
Operating status: Operating
Headcount range: 11–50 employees
Ownership category
akta.pro rank

Zeamster industry classification

Industry

Product category: Payment Processing APIs
NAICS: Financial Transactions Processing, Reserve, and Clearinghouse Activities (52232), Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (5182)
SIC: Finance Services (6199), Services-Computer Programming, Data Processing, Etc. (7370)
akta.pro primary industry: Embedded Payments (Pay-ins, Pay-outs, Wallets) (FSAGALAB)

Keywords

Payment processing APIs
Developer portal tools
Merchant account services
Payment integration sandbox
Embedded payment technology

Where Zeamster is headquartered

Location

Headquarters

HQ city: Novi
HQ country: United States
HQ region: North America

Markets served

Zeamster business model

Business model

GTM type: B2B
Offering type: Software
Cost components: Technology or R&D, Infrastructure, Personnel, Operations, Marketing or Sales

Revenue model

Payment Processing Services: Payment processing services integrated under Fortis Payment Systems umbrella, enabling transaction processing through developer APIs and merchant portals

Go-to-market motion2 records

Distribution channels2 records

Marketing channels2 records

Zeamster product offering

Product offering

Core offering

Zeamster provides a developer portal with a sandbox environment for building and testing payment processing API integrations, along with a self-service lookup tool for monitoring account information, production statuses, uptime percentages, response times, and incident reports. Both products operate as legacy portals within the Fortis Payment Systems payment processing ecosystem, serving software developers, platform builders, and merchants who need integration tools and account management capabilities.

Product overview

Zeamster is a suite of developer and merchant-facing tools offered by Fortis Payment Systems. It consists of two primary products: the Zeamster Developer Portal (providing sandbox access for API integration development and testing) and Zeamster Lookup (a self-service tool for viewing account statuses, production metrics, and incident reports). These products serve as part of Fortis's broader payment processing ecosystem, functioning as legacy portals that provide account access and monitoring capabilities for merchants and developers.

Differentiator

Problem solved

Functional benefit

Companies that use Zeamster

Customer profile

Segments1 record

Ideal customer profiles2 records

Zeamster technology and API

Technology

API detail

Has API: Yes
API docs
API detail

Core technology

AI maturity

App detail

Feature2 records

Zeamster partnerships and signals

Strategic signal

Partnerships

One partnership is on record.

Fortis Payment SystemscoreTechnology or IntegrationZeamster operates as a product/brand within the Fortis Payment Systems ecosystem. It provides developer portals (Zeamster Developer Portal) and account lookup tools (Zeamster Lookup) that integrate with Fortis payment processing infrastructure. Fortis lists Zeamster alongside other legacy portals (BLUEDOG, EpicPay, FirstView, OmniFund, Payment Logistics, TransLink) on their portal links page.

Recent moves3 records

Zeamster competitors and assessment

Company assessment

Direct peers

Stripe: Stripe is the leading developer-first payment processing platform with sandbox environments, extensive API documentation, and self-serve onboarding. It is the most direct comparable to Zeamster's developer-portal-based payment integration offering, though at vastly greater scale and product breadth.
Adyen: Adyen is a global payment processing platform with developer APIs, sandbox environments, and platform-level integration capabilities. Directly comparable to Zeamster's role as a developer-facing payment integration layer for software platforms.
Square (Block): Block's Square offers payment processing APIs and developer tools for merchants and platforms, including sandbox and integration flows analogous to Zeamster Developer Portal. Comparable in serving software platforms and merchants with embedded payment infrastructure.
Stax (Fattmerchant): Stax offers payment processing with API access for software platforms and developer integrations, including sandbox-style testing environments. Comparable as a payment platform targeting SaaS and ISV partners with developer-friendly tooling.
Braintree (PayPal): Braintree provides payment processing APIs with sandbox environments and developer tools targeting software platforms and marketplaces. Comparable in serving the same developer-and-platform integration use case that Zeamster addresses under Fortis.

Broad incumbents

Authorize.Net (Visa): Authorize.Net is an established payment gateway with developer APIs and sandbox testing environments serving merchants and platforms. Comparable to Zeamster as a payment processing portal with developer access, but at much larger scale and as part of Visa's portfolio.
2Checkout (Verifone): 2Checkout (now part of Verifone) offers global payment processing with developer APIs and integration tools for platforms and merchants. Comparable as a payment platform with developer-facing tooling, though broader in scope than Zeamster's portal-only offering.

Emerging players

Finix: Finix provides embedded payment infrastructure with developer APIs and sandbox environments for software platforms. Directly comparable to Zeamster's role in enabling software platforms to integrate payment processing, but with a more focused embedded-payments positioning.
Dwolla: Dwolla is a developer-first ACH payment API platform with sandbox environments and self-serve onboarding for software platforms. Comparable to Zeamster's API-first, developer-portal GTM, though narrower in rail coverage (ACH-focused).
Helcim: Helcim is a payment processing platform with API access and developer tools for integrations. Comparable in offering developer-friendly payment infrastructure, though primarily focused on SMB merchants rather than the software-platform niche Zeamster targets.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat2 records

Key risks6 records

Key highlights5 records

Customer concentration

Zeamster financial estimates

Financial estimate

Revenue estimate

Valuation estimate

Zeamster leadership team

Management profile

Number of profiles

Zeamster funding detail

Funding detail

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

Zeamster M&A and investment

M&A and investment

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Zeamster

What does Zeamster do?

When was Zeamster founded?

Zeamster was founded in 2012. It employs 11 to 50 people.

Where is Zeamster based?

Zeamster is headquartered in Novi, United States, in the North America region.

How does Zeamster make money?

One revenue line is on record: payment Processing Services.

Who are Zeamster's main competitors?

Direct peers on record are Stripe, Adyen, Square (Block), Stax (Fattmerchant) and Braintree (PayPal). Broad incumbents are Authorize.Net (Visa) and 2Checkout (Verifone). Emerging players are Finix, Dwolla and Helcim.

Does Zeamster have an API?

Yes. Zeamster exposes a public API. Developer documentation is at developer.sandbox.zeamster.com.

What industry is Zeamster in?

Zeamster's product category is Payment Processing APIs. Its primary akta.pro industry code is FSAGALAB, Embedded Payments (Pay-ins, Pay-outs, Wallets). Its NAICS code is 52232 and its SIC code is 6199.